Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'userinit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\sdra64.exe,'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Svchost' = '<Full path to virus>'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '1Scar۞Face Crypter' = '%APPDATA%\<Virus name>.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Sys.exe
Malicious functions:
Executes the following:
- <SYSTEM32>\taskkill.exe /f /im SandboxieRpcSs.exe
- <SYSTEM32>\taskkill.exe /f /im Start.exe
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe
- <SYSTEM32>\taskkill.exe /f /im SbieSvc.exe
- <SYSTEM32>\taskkill.exe /f /im SandboxieDcomLaunch.exe
- <SYSTEM32>\taskkill.exe /f /im procexp.exe
- <SYSTEM32>\taskkill.exe /f /im Fiddler.exe
- <SYSTEM32>\taskkill.exe /f /im procexp64.exe
- <SYSTEM32>\taskkill.exe /f /im SbieCtrl.exe
- <SYSTEM32>\taskkill.exe /f /im Tcpview.exe
Injects code into
the following system processes:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe
Modifies file system :
Creates the following files:
- C:\autorun.inf
- <SYSTEM32>\sdra64.exe
- %APPDATA%\<Virus name>.exe
- C:\Sys.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Sys.exe
- <Drive name for removable media>:\autorun.inf
- <SYSTEM32>\sdra64.exe
- %APPDATA%\<Virus name>.exe
- C:\Sys.exe
- C:\autorun.inf
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'Indicator' WindowName: ''